Fixing code blocks

documentation/modules/exploit/multi/http/rails_web_console_v2_code_exec.md

@@ -7,12 +7,16 @@
 **Prerequisites:**
 
 ```
-$ gem install rails -v 4.2.6
-$ rails new taco
-$ cd taco
-$ vim config/environments/development.rb
-  Add the following line just before the final `end' tag:
+gem install rails -v 4.2.6
+rails new taco
+cd taco
+vim config/environments/development.rb
+```
+
+Add the following line just before the final `end' tag:
   config.web_console.whitelisted_ips = %w(0.0.0.0/0)
+
+```
 $ bundle
 $ rails server
 ```
@@ -26,7 +30,7 @@ sudo apt-get install nodejs
 **Launch msfconsole:**
 
 1. Do: ```use exploit/multi/http/rails_web_console_v2_code_exec```
-2. Do: ```set RHOSTS [IP]```
+2. Do: ```set RHOST [IP]```
 3. Do: ```set RPORT [Port]```
 4. Do: ```run```